ElmoMC Multi-Axis Motion Controller-Gold Maestro - Manual (Page 24)

Gold Maestro Installation Guide Installation
MAN-GOLD-MAESTRO-IG (Ver. 1.301)
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24
3.5.4. USB 2.0 Communication
The USB Network consists of Host controller and multiple devices. The GMAS is a USB Device.
Notes for connecting the USB communication cable:
Connect the shield to the ground of the host (PC). Usually, this connection is soldered internally
inside the connector at the PC end. You can use the drain wire to facilitate connection.
Ensure that the shield of the cable is connected to the shield of the connector used for
communications. The drain wire can be used to facilitate the connection.
Pin Signal Function
1 USB VBUS USB VBUS From Host
2 USBD- USB _N line
3 USBD+ USB _P line
4 USB COMRET USB Communication Return
Table 12: USB 2.0 Pin Assignments
Figure 8: USB Network Diagram